
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>首页</title>
</head>
<body>
<% Object username = session.getAttribute("username");
    if (username == null) {

%>
<a href="/login.jsp">登录</a>
<%} else {

}%>
<a href="/addStudent.jsp">添加</a>
<a href="/listStudentServlet">查看</a>


</body>
</html>
